Lenovo 7X77A01305 64GB Memory PC4-21300
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Why 7X77A01305 Lenovo 64GB (1X64GB) PC4-21300 is the best?

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Part Number#: 7X77A01305
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Short Description:
7X77A01305 Lenovo 64GB (1X64GB) PC4-21300 DDR4-2666MHZ SDRAM Dual Rank CL19 ECC Registered 288-Pin LRDIMM Module For Server | Brand New 3 Years Warranty

Interface Types of This Product: Pc4-21300 64GB

Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring Lenovo 64GB Pc4-21300 Memory features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the 7X77A01305 model with compatibility.

Performance Benefits of Lenovo 64GB DDR4 Memory Module

The Lenovo 64GB (1X64GB) DDR4-2666MHZ Memory Module offers several performance benefits when installed in a compatible system:

  • Increased Memory Capacity: Having 64GB of memory allows for more programs and data to be stored in memory, which means that the system can handle more multitasking and larger data sets without slowing down or crashing.
  • Faster Data Transfer Rate: With a data transfer rate of 2666MHz, the module can transfer data faster than standard DDR4 memory, which can result in improved performance when running memory-intensive applications.
  • Low Latency: With a CAS latency of 19 clock cycles, the module can respond quickly to requests for data, which can result in improved overall system performance.
  • Error Correction Capability: ECC (Error Correction Code) capability can detect and correct errors that may occur during data transfer, which can help to prevent data corruption and system crashes.
  • Improved System Reliability: The combination of increased memory capacity, faster data transfer rate, low latency and ECC capability, can result in improved system reliability and stability, which can be beneficial for mission-critical applications.

Installation and Configuration Instructions

Installing and configuring the Lenovo 64GB (1X64GB) DDR4-2666MHZ Memory Module in a compatible system is a straightforward process that can typically be completed in a few steps:

  1. Before installing the memory module, ensure that the system is powered off and unplugged from the power source. Remove the cover from the system to access the memory slots.
  2. Locate the memory slots on the motherboard and determine which slot the new memory module will be installed in. Make sure to match the notch on the memory module with the notch on the memory slot.
  3. Carefully align the memory module with the memory slot and gently press down on the module until it clicks into place.
  4. Replace the cover on the system and plug the power cord back in.
  5. Power on the system and enter the BIOS/UEFI setup.
  6. In the BIOS/UEFI setup, navigate to the memory settings and ensure that the new memory module is recognized and configured correctly.
  7. Save the changes and exit the BIOS/UEFI setup.
  8. Once the system has rebooted, check the system's memory configuration to ensure that the new memory module is installed and configured correctly.

It is recommended to consult the system's documentation or the user manual, to verify the system's specific requirements and procedures for installing memory modules. Additionally, it is recommended to check the system's documentation to ensure that the new memory module is fully supported and compatible with the system.

It's worth noting that for some systems, the memory upgrade may require to be done in pairs, i.e. installing the same amount of memory in each slot, or in a specific configuration. It is important to verify the system's documentation and the memory upgrade guidelines before proceeding.

Comparison to Other DDR4 Memory Modules

The Lenovo 64GB (1X64GB) DDR4-2666MHZ Memory Module is a high-performance memory module that offers several benefits when compared to other DDR4 memory modules. Some of the key differences between this module and others include:

  • Capacity: This module has a capacity of 64GB, which is higher than many other DDR4 memory modules. This can be beneficial for systems that need to handle large data sets or run multiple memory-intensive applications simultaneously.
  • Data Transfer Rate: With a data transfer rate of 2666MHz, this module is faster than many other DDR4 memory modules, which can result in improved performance when running memory-intensive applications.
  • CAS Latency: This module has a CAS latency of 19 clock cycles, which is lower than many other DDR4 memory modules. Lower latency can result in improved overall system performance.
  • ECC Capability: This module is equipped with ECC (Error Correction Code) technology, which can detect and correct errors that may occur during data transfer. This can help to prevent data corruption and system crashes, which can be beneficial for mission-critical applications.
  • Dual Rank: This module has dual-rank organization of memory cells, which allows it to handle more data at once than a single-rank module.
  • Brand: Lenovo is a well-known brand in the computer industry and known for its high-quality products.

It's worth noting that some other DDR4 memory modules may have different specifications, such as different capacity, data transfer rate, CAS latency, ECC capability and rank organization, depending on the module's brand and model. It's important to compare the specifications of the module to the system's requirements and to make sure the module is compatible with the system.

General Information

  • 64GB DDR4 SDRAM Memory Module
  • Product Type:RAM Module
  • Part Number:7X77A01305


  • Memory Size: 64gb
  • Memory Technology: Ddr4 Sdram
  • Number Of Modules: 64gbx 1
  • Memory Speed: 2666mhz
  • Memory Standard: Ddr4-2666/Pc4-21300
  • Signal Processing: Registered
  • Error Checking: Ecc
  • Cas Latency: Cl19
  • Pin Count: 288-Pin
  • Voltage: 1.2V

Memory PC4-21300

If you are looking for a memory module with high-speed, efficiency, high capacity, and low energy consumption, the DDR4 memory series is the best option money can buy. Thanks to our extensive collection of DDR4 memories, you don't have to look any further. The DDR4 PC4-21300 presents a high-efficient component for DIY experts and power users seeking reliability, unbeatable performance, and speed. It is built with the latest technology for major performance motherboard brands to enable the best-in-class reliability and compatibility across a wide range of motherboards. Depending on your storage needs and budget, you can choose from the following categories all on allhdd.com: 16GB, 128GB, 96GB, 64GB, 32GB, 8GB, 256GB, 192GB and 384G

What is the DDR4 Memory Standard?

The Double Data Rate Fourth Generation Synchronous Dynamic Random-Access Memory, otherwise known as The DDR4 SDRAM, is the latest high-efficiency memory module with 288 pins, released to the public in the second quarter of 2014. The PC4-21300 or DDR4-21300 comes with a mega transfer speed of 21300Mg/s. It flaunts cutting-edge performance and is highly compatible with AMD Ryzen processors and DDR-enabled Intel motherboards.

Memory Clock Speed

The clock speed is the measure of the number of cycles the system's CPU executes per second. In the case of the PC4 21300 memory module, it is 21,300MB/s. You'd want to check what works for your computer before making any buying decision.

Cycle Time

The time between the beginning of one random access memory (RAM) access to when the subsequent access begins is the Cycle time. This time is usually measured in nanoseconds. The PC4-21300 has a cycle time of 19ns.

I/O bus clock

The I/O bus clock of the PC4-21300 is 10650MHz. I/O bus clock is always half of the bus data rate.

Things to consider before buying a Memory module

The computer's RAM remains a crucial component for cutting-edge performance and efficient computing. Thus, buying one for your computer shouldn't be taken with levity. Here are a few things to consider when purchasing a RAM.

  • Interface

DDR4 memory is not compatible with a motherboard designed for DDR3 memory, and the same goes for other modules. Hence, you must ensure the RAM you buy is the specific type your motherboard needs.

  • Amount of RAM

As mentioned earlier, as far as size goes, allhdd.com has the most comprehensive collection of PC4-21300 modules. If your machine handles many programs simultaneously, you may want to increase its RAM for better performance.

  • Frequency

DDR4 RAM begins from 2133 MHz and goes all the way up to a stunning 4266 MHz. You want to be sure you purchase RAM with a frequency that is compatible with your computer. Getting this wrong could prove fatal as you can harm your computer as well as the incompatible RAM.

Get DDR4/PC4-21300 memory modules from top brands on allhdd.com at the best price. There is free-grounding shipping to 48 states in the United States. We have a competent customer desk to cater to all queries about purchases and tracking.

Here, you can check more available conditions of your desired product 7X77A01305 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.

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